downy mildew
Peronospora spp. Corda

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  1. Descriptor:           

    Sign (12)
    Asexual Spore (8)
    Symptoms (8)

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    Herbaceous (20)
    Blackberry, Raspberry, Brambles (4)
    Onions (3)
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Laboratory (25)
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    Bruce Watt (20)
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Image Descriptor Description
5488177 Symptoms Symptomatic infected leaves
5488176 Asexual Spore Sporangia at sporangiophore tips
5488175 Asexual Spore Sporangiophore tips with sporangia
5488174 Asexual Spore Sporangiophores
5488173 Asexual Spore Sporangiophores
5488172 Sign Sporangiophore on leaf surface under dissecting scope
5488171 Sign Sporulation on leaf surface
5488170 Sign Sporulation on leaf surface
5458787 Asexual Spore Sporangia
5458785 Sign Sporangiophores
5458786 Asexual Spore Sporangia
5458784 Asexual Spore Sporangia on sporangiophore
5458782 Sign Sporangiophores
5458783 Asexual Spore Sporangia
5458781 Sign Sporangiophore
5458779 Sign Sporangiophores evident on infected leaf
5458780 Sign Sporangiophores evident on infected leaf
5458778 Sign Sporangiophores evident on infected leaf
5458777 Sign Sporangiophores evident on infected leaf
5458776 Sign Sporangiophores evident on infected leaf
5435588 Symptoms
5435589 Symptoms
5435590 Symptoms
5429793 Sign sporulation from underside of rose leaf after 12 hours in a moist chamber
5368763 Symptoms Red/purple spots or blotches with barely visible downy mycelial growth in spots on lower side of leaves.Apache variety.
5368764 Symptoms Red/purple spots or blotches with barely visible downy mycelial growth in spots on lower side of leaves.Apache variety.
5368765 Symptoms Red/purple spots or blotches with barely visible downy mycelial growth in spots on lower side of leaves. Apache variety.
5368766 Symptoms Red/purple spots or blotches with barely visible downy mycelial growth in spots on lower side of leaves. Apache variety.

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